ASoC: da732x: Remove unnecessary idle_bias_off initialization

idle_bias_off is false by default, no need to set it explicitly.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/codecs/da732x.c

@@ -1511,12 +1511,9 @@ static int da732x_set_bias_level(struct snd_soc_codec *codec,
 static int da732x_probe(struct snd_soc_codec *codec)
 {
 	struct da732x_priv *da732x = snd_soc_codec_get_drvdata(codec);
-	struct snd_soc_dapm_context *dapm = &codec->dapm;
 
 	da732x->codec = codec;
 
-	dapm->idle_bias_off = false;
-
 	da732x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
 	return 0;